Sony Ericsson W810

white screen - reboot issue

My w810i has frozen and rebooted itself several times while composing an MMS or picture message.

Ruling out a warrantee/exchange or 'debranding' of this handset, is anyone aware of the patch that Sony Ericsson was developing for this specific problem? As of 11/2006 I believe this patch was under development relating to the phones 'floating memory'.

I am having trouble getting answers for my prob - my phone started running slow - so I turned it off and now all it does is flash a white screen. It also does this when I plug it into the charger. I have gotten no help from the sony site - any ideas?